Home / 56,463.23-77,922.75-31,312.73

Finding the Fourth Proportional to 56,463.23, 77,922.75 and 31,312.73

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Solution

The fourth proportional to 56,463.23, 77,922.75 and 31,312.73 is: 43,213.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,463.23 : 77,922.75 = 31,312.73 : x
  2. Step 2: Convert to fraction form
    56,463.23/77,922.75 = 31,312.73/x
  3. Step 3: Cross multiply
    56,463.23x = 77,922.75 × 31,312.73
  4. Step 4: Simplify right side
    56,463.23x = 2,439,974,031.61
  5. Step 5: Solve for x
    x = 2,439,974,031.61/56,463.23
  6. Step 6: Final answer
    x = 43,213.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.